To provide a myocardial image display method, a myocardial image display processing program and a myocardial image processor which are capable of more easily performing correct diagnosis of the heart reflecting coronary artery streams regardless of the presence or absence of individual differences between subjects.SOLUTION: A myocardial image processor 100 comprises: a first division processing unit 103 to divide a three-dimensional morphology image of a left ventricle into multiple regions; a borderline polar coordinate expansion unit 104 to perform polar coordinate expansion of the borderlines that delimit the multiple regions into which the three-dimensional morphology image is divided; a nuclear cardiology image normalization unit 105 to perform polar coordinate expansion of the three-dimensional nuclear cardiology image of the left ventricle; a second division processing unit 106 to divide the three-dimensional nuclear cardiology image into multiple supply regions on the basis of a composite image obtained by superimposing the borderlines on the three-dimensional nuclear cardiology image; an indicator value calculation unit 107 to calculate an indicator value indicating a state of the subject for each of the divided supply regions; and a display processing unit 108 to display, on a display unit 130, the indicator values in association with the composite image.SELECTED DRAWING: Figure 1
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